Atoms In Motion, Student Ed. vs Clock Challenge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Atoms In Motion, Student Ed.
Explore the fundamental nature of matter through an interactive atomic simulation. Control atoms, manipulate temperature, and discover states of matter. This student edition is ideal for learning chemistry and physics principles.
- Interactive atomistic simulation
- Molecular Dynamics (MD) algorithms
- Control temperature and states of matter
- Perform physics experiments
- Save and organize experiments
- Limited to 100 neon atoms
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Discover the fundamental nature of matter; everything is made of atoms! The atomic theory is brought to life in "Atoms in Motion", and it can be upgraded with an in-app purchase to the full version of Atoms in Motion. In this simulation you control the atoms! "Atoms in Motion" is a fully interactive atomistic simulation that uses sophisticated Molecular Dynamics (MD) algorithms to perform computational chemistry calculations right on your iPad. Such computational simulations reveal the motions of atoms as they attract, repel, and interact with one another to form unique structures and states of matter. "Atoms in Motion" is the ideal App to discover and interact with the physics of chemistry and materials. With the tap of a finger you can easily add, delete, or highlight atoms within the simulation. With a gentle touch you can move, place, or even throw atoms. With the swipe of a finger you can control the temperature and explore the states-of-matter (solids, liquids, and gases). Uncover the physics behind the ideal gas laws, and perform your own experiments by changing the volume, the number of atoms in the simulation, or the temperature. Now as you build and create experiments, you can easily save, manage, and organized them from within the App. The student edition of "Atoms in Motion" uses the same interactive 2-D Molecular Dynamics (MD) simulation as the original, but is limited to 100 neon (Ne) atoms. The Van der Waals forces are computed using a Lennard Jones 6-12 potential, and the simulation continuously computes the pressure. Users can vary the temperature from near absolute zero to over 500K, and add up to 100 neon atoms to the simulation. "There is nothing that living things do that cannot be understood from the point of view that they are made of atoms acting according to the laws of physics" - Richard P. Feynman Enjoy the Atoms! Disclaimer: This is software package is intended for educational and personal use. Any use in scientific or medical research requires the express written permission of Atoms in Motion, LLC.
Clock Challenge
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Clock Challenge is a great app for kindergarten to 2nd grade children to learn and practice telling time. Your child will learn how to tell time on analogue clocks in various ways using minutes past/after, minutes to/before and quarter past/to. In Telling Time and Long Hand Quiz, your child will compete against a gopher in reading the clock. With every incorrect answer, the gopher gets points. In Clock Challenge, the egg will hatch and grow as their score goes up. Also, a bonus egg is included to encourage your child to practice more. This is a fun game to improve your child's time telling skills. **Plus a play history report and setup option for a parent or teacher to control the level of difficulty (i.e, setup to ask a question only hours, half an hour, quarters or nearest 5 minutes), setup to show minutes (0,5,10,15,…55) on the clock face and customize the number of questions and number of tries to match your child's level. **All words have been recorded by professional voice talent. *** If you have any questions or problems related to our app, please email us at playsmart.kids@gmail.com. We are willing to assist you.
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Verdict
The clearest difference is price: Atoms In Motion, Student Ed. at Free against Clock Challenge's $0.99. Atoms In Motion, Student Ed. also leads on iOS requirement (9.0 vs 14.2). Clock Challenge's advantage is in-app purchases (none vs 1) and update cadence (every 15 months vs every 62 months). On ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Atoms In Motion, Student Ed. is free to download; Clock Challenge costs $0.99 up front. Atoms In Motion, Student Ed. sells 1 one-off in-app purchase. Clock Challenge asks for nothing beyond the download.
Atoms In Motion, Student Ed. ships an update every 62 months, Clock Challenge every 15 months. Both last shipped on November 1, 2026.
| Parameter | Atoms In Motion, Student Ed. | Clock Challenge |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.2 (13 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 62 months | Every 15 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 14.2 |
| Further details — not scored | ||
| Size | 11 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Atoms In Motion | Jariya Tuantranont |
In-app purchases
Atoms In Motion, Student Ed.
- Atoms In Motion Full Version$2.99
Clock Challenge
No in-app purchases
Questions
Is Atoms In Motion, Student Ed. free?
Is Clock Challenge free?
Do Atoms In Motion, Student Ed. or Clock Challenge have ads?
Which is updated more often, Atoms In Motion, Student Ed. or Clock Challenge?
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